Home / 5,319.39-7,973.64-2,399.75

Finding the Fourth Proportional to 5,319.39, 7,973.64 and 2,399.75

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Solution

The fourth proportional to 5,319.39, 7,973.64 and 2,399.75 is: 3,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.39 : 7,973.64 = 2,399.75 : x
  2. Step 2: Convert to fraction form
    5,319.39/7,973.64 = 2,399.75/x
  3. Step 3: Cross multiply
    5,319.39x = 7,973.64 × 2,399.75
  4. Step 4: Simplify right side
    5,319.39x = 19,134,742.59
  5. Step 5: Solve for x
    x = 19,134,742.59/5,319.39
  6. Step 6: Final answer
    x = 3,597.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.